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Pull request

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A build fix and a 'simple' trace backend regression fix.
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Merge remote-tracking branch 'remotes/stefanha/tags/tracing-pull-request' into staging

Pull request

A build fix and a 'simple' trace backend regression fix.

# gpg: Signature made Thu 30 Jul 2020 19:13:10 BST
# gpg:                using RSA key 8695A8BFD3F97CDAAC35775A9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" [full]
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>" [full]
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35  775A 9CA4 ABB3 81AB 73C8

* remotes/stefanha/tags/tracing-pull-request:
  tracetool: carefully define SDT_USE_VARIADIC
  trace/simple: Allow enabling simple traces from command line

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2020-07-30 20:02:26 +01:00
commit 1448629751
2 changed files with 5 additions and 0 deletions
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4
scripts/tracetool/backend/dtrace.py
View File

@ -44,11 +44,15 @@ def generate_h_begin(events, group):
# require SDT_USE_VARIADIC to be defined. If dtrace includes <sys/sdt.h>
# first without defining SDT_USE_VARIADIC then ust breaks because the
# STAP_PROBEV() macro is not defined.
out('#ifndef SDT_USE_VARIADIC')
out('#define SDT_USE_VARIADIC 1')
out('#endif')
out('#include "%s"' % header,
'')
out('#undef SDT_USE_VARIADIC')
# SystemTap defines <provider>_<name>_ENABLED() but other DTrace
# implementations might not.
for e in events:

1
trace/control.c
View File

@ -225,6 +225,7 @@ void trace_init_file(const char *file)
{
#ifdef CONFIG_TRACE_SIMPLE
st_set_trace_file(file);
st_set_trace_file_enabled(true);
#elif defined CONFIG_TRACE_LOG
/*
* If both the simple and the log backends are enabled, "--trace file"